Atomic models Flashcards

1
Q

Solid indivisible sphere

A

Leucippus & democritus

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2
Q

Solid sphere billiard model

A

John dalton

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3
Q

Solid sphere but not indivisible

A

John Dalton

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4
Q

Elements of a chemical compound are bonded together by electrical forces

A

Humphry davy

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5
Q

Relationaship between the amount of electricity used & the chemical reaction that occur

A

Michael faraday

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6
Q

Electron —> electron ions

A

George stoney

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7
Q

Cathode-ray tube model

A

J.J. Thomson

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8
Q

Most convincing evidence of electron

A

J.J. thomson

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9
Q

Plum pudding model

A

J.J. thomson

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10
Q

Oil drop experiment

A

Robert millikan

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11
Q

Charge of electron

A

Rober millikan

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12
Q

Saturn-like model

A

Hantaro nagauko

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13
Q

Protons

A

Eugen goldstein

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14
Q

Canal rays experiment

A

Eugen goldstein

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15
Q

Scattering experi

A

Rutherford

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16
Q

Nucleus

A

Rutherfors

17
Q

Atoms consist of a positive nuclei surrounded by clouds of electrons at large distance

A

Rutherford

18
Q

No. of PROTONS determines its identity

A

Moseley

19
Q

the no of protons is the Atomic no.

A

Moseley

20
Q

Neutrons

A

Chadwick

21
Q

Electron revolving around its nucleus in a circular orbit

A

Niels Bohr

22
Q

Planetary model

A

Niels Bohr

23
Q

Wgen electrons is excited, ir absorbs energy

A

Niel bohrs

24
Q

Electrons occupy only certain energy level

A

Niels bohr

25
Q

Wave-like nature of electrons

A

Brogli

26
Q

Modern atomic model

A

Schrondinger

27
Q

Wave equation

A

Schrondinger

28
Q

Wave properties of matter

A

Schrondinger

29
Q

Uncertainty principle

A

Heisenberg

30
Q

It is not possible to determine the exact momentum & exact position of electrons at the same time

A

Heisenberg’s uncertaity principle

31
Q

Distance

A

Principal (n)

32
Q

Shape of the orbital

A

Angular/Azimuthal quantum no. (l)

33
Q

Orientation

A

Magnetic quantum no. (ml)

34
Q

Direction of spin

A

Spin quantum no. (ms)